Ketenimine

Ketenimines are a group of organic compounds sharing a common functional group with the general structure R1R2C=C=NR3. A ketenimine is a cumulated alkene and imine and is related to an allene and a ketene.

General structure of a ketenimine

The parent compound is ketenimine or CH2CNH. The most recent work by Bane et al. investigates the rovibrational structure of the ν8 and ν12 bands in the high-resolution FTIR spectrum, complementing the earlier analysis of the pure rotational spectrum. This pair of Coriolis coupled bands provide a rare example where intensity sharing between bands yields sufficient intensity for an otherwise invisible band (ν12).[1][2]

References
  1. Michael K. Bane; Christopher D. Thompson; Evan G. Robertson; Dominique R. T. Appadoo; Don McNaughton (2011). "High-resolution FTIR spectroscopy of the ν8 and Coriolis perturbation allowed ν12 bands of ketenimine". Physical Chemistry Chemical Physics. 13 (15): 6793–8. Bibcode:2011PCCP...13.6793B. doi:10.1039/C0CP01816C. PMID 21116541.
  2. F. J. Lovas; J. M. Hollis; Anthony J. Remijan; P. R. Jewell (2006). "Detection of Ketenimine (CH2CNH) in Sagittarius B2(N) Hot Cores". The Astrophysical Journal. 645 (2): L137–L140. Bibcode:2006ApJ...645L.137L. doi:10.1086/506324.
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